Finding the Fourth Proportional to 76,559.73, 105,657.20 and 42,575.82

Step by Step Solution

1. Step 1: Write the proportion equation
   76,559.73 : 105,657.20 = 42,575.82 : x
2. Step 2: Convert to fraction form
   76,559.73/105,657.20 = 42,575.82/x
3. Step 3: Cross multiply
   76,559.73x = 105,657.20 × 42,575.82
4. Step 4: Simplify right side
   76,559.73x = 4,498,441,928.90
5. Step 5: Solve for x
   x = 4,498,441,928.90/76,559.73
6. Step 6: Final answer
   x = 58,757.29